package controller;

import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.Laydata;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {

    @Autowired
    private UserService userService;

   @RequestMapping("/tolist")
   public String toList(){
       return "asyncuser/list";
   }

    @RequestMapping("/list")
    @ResponseBody
    public  String list(User user, @RequestParam(value = "page",defaultValue = "1")Integer currentPage,
                        @RequestParam(value = "limit",defaultValue = "10")Integer pageSize, Model model){
        // 查询数据

        int totalCount = userService.count(user);


        // 计算偏移量
        int offset = (currentPage - 1) * pageSize;
        List<User> users = userService.findAll(user, offset, pageSize);
        Laydata laydata=new Laydata("查询成功",0,totalCount,users);

        return JSON.toJSONString(laydata);
        //0,"查询成功",totalCount,user
        // 数据返回

    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "asyncuser/add";
    }

    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(User user){
        int result = userService.addUser(user);
        if (result > 0) {
            return JSON.toJSONString(new Laydata(200,"添加成功"));
        } else {
            return JSON.toJSONString(new Laydata(500,"添加失败"));
        }
    }

    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteById(@PathVariable("id") Integer id){
        int result = userService.deleteUserById(id);
        if (result > 0) {
            return JSON.toJSONString(new Laydata(200,"删除成功"));
        }else {
            return JSON.toJSONString(new Laydata(500, "删除失败"));
        }
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") Integer id, Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user", user);
        return "user/update";

    }

    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result > 0) {
            return "redirect:/user/list/1";
        } else {
            return "user/update";
        }
    }

}